/Engine/Plugins/Editor/ObjectMixer/ObjectMixer/Source/ObjectMixer/Public/ObjectFilter/ObjectMixerEditorObjectFilter.h
Specify whether we should return only the properties of the specified classes or the properties of parent and child classes. Defaults to 'None' which only considers the properties of the specified classes. If you're not seeing all the properties you expected, try overloading this function.
virtual [EObjectMixerInheritanceInclusionOptions](API\Plugins\ObjectMixerEditor\ObjectFilter\EObjectMixerInhe-) GetObjectMixerPropertyInheritanceInclusionOptions() const